"""
试做一个画图软件
"""
# 导入相关模块
from tkinter.filedialog import *
from tkinter.colorchooser import *
'''
# 定义窗口大小
root = Tk()
root.geometry("1000x400+900+200")
root.title("百战程序员的画图软件")
---以上三行 下方不适用使用 类的情况；
---若使用类，则需要在最下方写if.... 来设定窗口大小
'''
# 定义初始类-父类Frame
class Application(Frame):
def __init__(self, master=None):
super().__init__(master)
self.master = master
self.startDrawFlag = False
self.lastDraw = 0
#self.stopDraw = 0
self.x = 0 # 定义一个初始的X和Y的坐标，后续捕捉实际参数坐标来画线；
self.y = 0
self.fgcolor="red"
self.pack()
self.createWidget()
# 创建绘图区
def createWidget(self):
self.drawpad =Canvas(root, width=1000, height=350, bg="black")
self.drawpad.pack()
# Canvas=画布
# 建立按键
btn_start = Button(root, text="开始", name="start")
btn_start.pack(side="left", padx="10")
btn_pen = Button(root, text="画笔", name="pen")
btn_pen.pack(side="left", padx="10")
btn_rect = Button(root, text="矩形", name="rect")
btn_rect.pack(side="left", padx="10")
btn_line = Button(root, text="直线", name="line")
btn_line.pack(side="left", padx="10")
btn_lineArrow = Button(root, text="箭头", name="lineArrow")
btn_lineArrow.pack(side="left", padx="10")
btn_color = Button(root, text="颜色", name="color")
btn_color.pack(side="left", padx="10")
btn_erasor = Button(root, text="橡皮擦", name="erasor")
btn_erasor.pack(side="left", padx="10")
btn_clear = Button(root, text="清除", name="clear")
btn_clear.pack(side="left", padx="10")
# 触发事件条件
btn_line.bind_class("Button", "<1>", self.eventManager)
self.drawpad.bind("<ButtonRelease-1>", self.stopDraw)
# bind_class 同类事件的统一绑定，这里是Button按键类的事件绑定-鼠标左键条件
# self.drawpad.bind("")
def eventManager(self, event):
name = event.widget.winfo_name()
print(name)
if name =="line":
self.drawpad.bind("<B1-Motion>", self.myline)
def stopDraw(self, event):
self.startDrawFlag = False
def myline(self, event):
print(event.x, event.y)
self.drawpad.delete(self.lastDraw)
if not self.startDrawFlag:
self.startDrawFlag = True
self.x = event.x
self.y = event.y
self.lastDraw = self.drawpad.create_line(self.x, self.y, event.x, event.y, fill=self.fgcolor)
# create_line 创建直线方法（x1，y1，x2，y2，x3，y3，……） 方法本身自带return返回ID
def stopDraw(self):
pass
if __name__ == '__main__':
root = Tk()
root.geometry("1000x400+900+200")
root.title("百战程序员的画图软件")
app = Application(master=root)
root.mainloop()
其中
def stopDraw(self, event):
self.startDrawFlag = False
运行报错：
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\lib\tkinter\__init__.py", line 1883, in __call__
return self.func(*args)
TypeError: stopDraw() takes 1 positional argument but 2 were given
Process finished with exit code 0
参数有问题，我看着和视频上是一样的代码呀？
请问错在哪里，怎么改？
老师，这里为啥是int 不是void有什么需要注意的地方吗
老师请问这个怎么解决，用的W7下的低版本，
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